Guerin Mechanical Contractors, Formerly Guerin Plumbing, was started in 1988 by John Guerin. John had the vision to bring a hometown feel to his plumbing business and served the greater Worcester County for over thirty years. Throughout those times the company evolved into a commercial plumbing company, serving many general contractors throughout New England. The company is now run and managed by Bryant Guerin, John Guerin’s son, who has been involved in the company throughout the years.

Guerin Mechanical Contractors was formed in 2024 with the vision to encompass the Plumbing, Heating and various mechanical needs that customers presented. Guerin Mechanical is a certified Service-Disabled Veteran Owned Small Business, family owned and now a second-generation company. The company holds licenses in Massachusetts, New Hampshire, Connecticut, and Maine.

Guerin Mechanical Contractors possess the capabilities to complete Commercial Plumbing and Gasfitting work. With a proven track record throughout the commercial industry to meet aggressive timelines, safety on the jobsite and working hand in hand with our general contractors. Whether its renovations, new builds, or tenant upfits we have a diverse experience in each. Throughout our thirty eight years in business we have completed projects in the medical industry, restaurants, retail space and gas stations.

Our company also has a long-standing history with maintenance and service within the commercial industry. We offer emergency service throughout New England to our customers for plumbing and gas related issues. Drain cleaning, sewer camera services, grease trap maintenance, emergency water leak repairs and leak detection our just a few of the services we offer. Our company stands to provide fast-timely service to keep your business running.

Guerin Mechanical Contractors possess the capabilities to provide services within the residential sector as well. Whether it’s a new build, renovation or multi-family project, we have experience in all. Throughout the years we have worked with customers in a design-build environment to provide them insight on the best fit for there homes when it comes to plumbing systems and help them maximize their budget. Working with our customers to ensure that they are aware of the new green technology within our industry and how it can help save them money, as well as making a difference with protecting the environment.